參數(shù)資料
型號: MC68HC05P4A
廠商: Motorola, Inc.
英文描述: 28-pin MCU (microcontroller unit) based on the MC68HC05P4(28引腳、基于MC68HC05P4升級的8位微控制器單元)
中文描述: 28引腳單片機(微控制器)的基礎(chǔ)上MC68HC05P4(28引腳,基于MC68HC05P4升級的8位微控制器單元)
文件頁數(shù): 37/102頁
文件大?。?/td> 930K
代理商: MC68HC05P4A
Interrupts
Hardware Controlled Interrupt Sequence
MC68HC05P4A — Rev. 6.0
AdvanceInformation
MOTOROLA
Interrupts
37
Figure 4-1. Hardware Interrupt Flowchart
FROM
RESET
EXTERNAL
INTERRUPT
IRQ
INTERNAL
INTERRUPT
TIMER
I BIT
SET
IS
LOAD PC FROM:
IRQ: $1FFA–$1FFB
TIMER: $1FF8–$1FF9
SET I BIT
STACK
PC, X, A, CC
CLEAR IRQ
REQUEST
LATCH
COMPLETE
INTERRUPT
ROUTINE
AND EXECUTE
RTI
FETCH
NEXT
INSTRUCTION
EXECUTE
INSTRUCTION
Y
Y
Y
N
N
N
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